Home / 419,362.40-578,795.96-247,270.10

Finding the Fourth Proportional to 419,362.40, 578,795.96 and 247,270.10

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Solution

The fourth proportional to 419,362.40, 578,795.96 and 247,270.10 is: 341,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,362.40 : 578,795.96 = 247,270.10 : x
  2. Step 2: Convert to fraction form
    419,362.40/578,795.96 = 247,270.10/x
  3. Step 3: Cross multiply
    419,362.40x = 578,795.96 × 247,270.10
  4. Step 4: Simplify right side
    419,362.40x = 143,118,930,778.47
  5. Step 5: Solve for x
    x = 143,118,930,778.47/419,362.40
  6. Step 6: Final answer
    x = 341,277.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.